8 * JANUARY 2022 A new look at towing Led by a Canadian guru, GM's trailer-technology unit sees a future in banishing blind spots By DAVID KENNEDY T ORONTO BUREAU CHIEF RALPH SCHLOTTKE HAS LOGGED more than 10,000 kilometres on Ontario's 400-series highways over the past few years - and he has done it hands-free, while towing a double-wide snowmobile trailer. As head of the global working group for trailering technology at General Motors, most of Schlottke's driving time has been on the clock as he and his team fine-tuned the trailering capability of GM's Super Cruise feature. The technology lets drivers take their hands off the wheel on highways. But whether it is a human or computer at the controls, towing a trailer lowers the margin for error. The typical " wiggle room "